CVE-2022-20238

CRITICAL

Android - Memory Corruption via remap_pfn_range

Title source: llm
STIX 2.1

Description

'remap_pfn_range' here may map out of size kernel memory (for example, may map the kernel area), and because the 'vma->vm_page_prot' can also be controlled by userspace, so userspace may map the kernel area to be writable, which is easy to be exploitedProduct: AndroidVersions: Android SoCAndroid ID: A-233154555

References (1)

Core 1
Core References
Patch, Vendor Advisory x_refsource_misc
https://source.android.com/security/bulletin/2022-07-01

Scores

CVSS v3 9.8
EPSS 0.0046
EPSS Percentile 36.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-119
Status published
Products (1)
google/android
Published Jul 13, 2022
Tracked Since Feb 18, 2026